Search Results for: lichenoid

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…h specificity, culture is necessary. 10.17.14A: Pustular dermatitis, infundibular, and perivascular dermatitis, psoriasiform lichenoid + 10.17.14B: Preponderance of neutrophils in the lichenoid infiltrate = Infection by atypical mycobacteria…

Histologic Diagnosis of Inflammatory Skin Diseases

Acroangiodermatitis of Mali/Stewart-Bluefarb syndrome

…croangiodermatitis of Mali. Pyogenic granuloma is a solitary friable papule or nodule that early in its course is ulcerated. Lichenoid purpura of Gougerot and Blum, when developed fully, appears as clusters of violaceous lichenoid papules on the…

Histologic Diagnosis of Inflammatory Skin Diseases

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…bnormal lymphocytes are decisive for lymphoma, in this instance, lymphomatoid papulosis. 11.13.11A: Perivascular dermatosis, lichenoid, with severe subepidermal edema + 11.13.11B: Strikingly atypical lymphocytes, some of them in mitosis, in league…

Differential Diagnosis in Dermatopathology

Discussions

…n the prefix “lichen.” A denominator in common of some, but not all, diseases described clinically as lichen and lichenoid is a bandlike infiltrate of inflammatory cells in a discrete locus or across a broad front in a thickened…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Anagen Effluvium?

…s Dermatology in General Medicine. 5th ed. New York: McGraw-Hill, 1999:736. “A 32 year-old woman developed generalised lichenoid eruptions on her body followed by diffuse loss of scalp hair of the anagen effluvium type. She was receiving…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Apoptosis?

…n catagen (physiologic cell death), doing that first to a variety of interface “dermatitides,” especially “lichenoid” ones, that are associated with nonviable keratocytes referred to in times past as Civatte bodies, colloid…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…ticut, the designation given being generic, i.e., borreliosis. 10.9.2A: Perivascular and interstitial dermatitis, interface, lichenoid + 10.9.2B: Lymphocytes and plasma cells = Acrodermatitis chronica atrophicans Bundles of collagen in the upper…

Differential Diagnosis in Dermatopathology

Discussions

…necrotic keratocytes are present within an epithelium, examples being lichen planus, lichenoid discoid lupus erythematosus, lichenoid photodermatitis, and lichenoid gold dermatitis. In short, so-called satellite-cell necrosis is simply a necrotic…